Warning: session_destroy(): Trying to destroy uninitialized session

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my class.inc file:

<?php
class logout{
    public function logout(){
        $_SESSION = array();
        if (ini_get("session.use_cookies")) {
            $params = session_get_cookie_params();
            setcookie(session_name(), '', time() - 42000, $params['path'], $params['domain'], $params['secure'], $params["httponly"]);
        }
        session_destroy();
    }   
}

?>

used code for my logout:

session_start();
require($path."include/class.inc");
if(!empty($_GET['logout'])){
    $object=new logout();
    $object->logout();
    $content='5;url='.$path.'index.php';
}

When the logout function is called, it destroys the session, but shows the warning:

Warning: session_destroy(): Trying to destroy uninitialized session in class.inc on line 9

I am unable to troubleshoot, as the session is not being destroyed by any other means before the session_destroy() of class.inc.


You have to call the function mentioned below at the top your logout function in the logout class.

session_start();

Add the above function and try it out. If you don’t start the session at the top of your file, it will throw exceptions like "headers already sent", "can’t start the session", etc.

"Trying to destroy uninitialized session" - PHP, Warning: Trying to destroy uninitialized session in You'll have to call session_start() before you call session_destroy();. Are you storing  Problem is the following, when I try to use some logout function, I got the message . Warning: session_destroy(): Trying to destroy uninitialized session After giving a quick look into the phpCas's library code, I manage to figure out where the problem comes from, here is a snippet of a logout function :


This error is common when you haven't started the session beforehand

if (!isset($_SESSION))
  {
    session_start();
  }

session_destroy - Manual, session_destroy — Destroys all data registered to a session PHP message: PHP Warning: session_destroy(): Trying to destroy uninitialized session in. Warning: session_destroy(): Trying to destroy uninitialized session. all answers just mentioned that i need to use session_start() before using . session_destroy(); but they are not explaining why this warning occurs even i already used session_start() i am just trying to login then dashboard page appears where user can click on logout button


I encountered the session_destroy() error message when I started using session_write_close(). To determine if session_destroy() should be called or not, I had to do the following:

class Session {
    public static function start() {
        self::$haveSession = true;
        session_start();
    }
    public static function finish() {
        session_write_close();
        self::$haveSession = false;
    }
    public static function clear() {
        if (self::$haveSession) {
            session_unset();
            session_destroy();
        }
    }
}

In PHP >= 5.4 it should work to replace if (self::$haveSession) with if(session_status() === PHP_SESSION_ACTIVE).

warning: session_destroy() [function.session-destroy]: Trying to , warning: session_destroy() [function.session-destroy]: Trying to destroy Warning: session_destroy(): Trying to destroy uninitialized session in  session_destroy() destroys all of the data associated with the current session. It does not unset any of the global variables associated with the session, or unset the session cookie. To use the session variables again, session_start() has to be called. Note: You do not have to call session_destroy() from usual code. Cleanup $_SESSION array rather than destroying session data.


You can add this code to start a session if it didn't start before

if(!session_id()) {
    session_start();
}

PHP Warning: session_destroy(): Trying to, PHP Warning: session_destroy(): Trying to destroy uninitialized session in C:\\​xampp\\htdocs\\Waaree\\modules\\Users\\authentication\\  Warning: session_destroy() [function.session-destroy]: Trying to destroy uninitialized session in_ocupload_auth() Skip to main content Skip to search. The Drupal


Start your session session_start(); and you can destroy your session

    <?php
    session_start();
    class logout{
        public function logout(){
            $_SESSION = array();
            if (ini_get("session.use_cookies")) {
                $params = session_get_cookie_params();
                setcookie(session_name(), '', time() - 42000, $params['path'], $params['domain'], $params['secure'], $params["httponly"]);
            }
            session_destroy();
        }   
    }

?>

Session_destroy warning() at logout · Issue #86 · apereo/phpCAS , "Warning: session_destroy(): Trying to destroy uninitialized session". The problem comes from the Client::logout() method, here is the buggy code  Re: Warning: session_start(): Trying to destroy uninitialized session. Yours is the first time i've ever seen that message happen on a Zen Cart site. And it's not caused by Zen Cart itself. It seems to be something your server is doing at the PHP level, before Zen Cart can do anything.


PHP Warning: session_destroy(): Trying to destroy uninitialized , PHP Warning: session_destroy(): Trying to destroy uninitialized session # literat added 1-defect 2-public 3-session 4-programs labels on Aug  This is to prevent warnings saying: PHP Warning: session_destroy(): Trying to destroy uninitialized session One could handle it as:


Warning: session_start(): Trying to destroy uninitialized session, Warning: session_start(): Trying to destroy uninitialized session in /includes/​functions/sessions.php on line 114 Warning: session_start(): Failed  When trying to logout from cas, I came across this warning : "Warning: session_destroy(): Trying to destroy uninitialized session". The problem comes from the Client::logout() method, here is the buggy code : session_write_close(); heade


[SOLVED] Session_destroy issue - PHP Coding Help, get Warning: session_destroy() [function.session-destroy]: Trying to destroy uninitialized session in C:\xampp\htdocs\btest\dirlist.php on line 7. [2004-03-31 20:15 UTC] ezdevelop at hotmail dot com Description: ----- When I'm trying to use session_destroy() functioni n the __destruct() function, PHP says: "Warning: Trying to destroy uninitialized session" I'v tested the code under Apache and IIS, but all the same mistake.